title: Is the use of plain abdominal radiographs (PAR) a necessity for all patients with suspected acute appendicitis in emergency services?
mesh_terms: D000293:Adolescent; D000328:Adult; D001064:Appendicitis / Q000000981:diagnostic imaging* / Q000601:surgery; D002648:Child; D004636:Emergency Service, Hospital; D005260:Female; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D011859:Radiography